The surface area of a jumbo size rubik’s cube is 294in2. find the lateral edge

The lateral edge is

Step-by-step explanation:

we know that

The surface area of a cube is equal to

where

b is the length side of the cube

we have

substitute in the formula and solve for b

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b

ion

step-by-step explanation:

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